./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_10_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c41fed9-41ed-46c3-b018-16942e33f2b0/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c41fed9-41ed-46c3-b018-16942e33f2b0/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c41fed9-41ed-46c3-b018-16942e33f2b0/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c41fed9-41ed-46c3-b018-16942e33f2b0/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_10_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c41fed9-41ed-46c3-b018-16942e33f2b0/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c41fed9-41ed-46c3-b018-16942e33f2b0/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6d91b8356ddd7726281d647788be21c92f24a6245eaef0d9cae32a7294e1e923 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:51:17,281 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:51:17,332 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c41fed9-41ed-46c3-b018-16942e33f2b0/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 05:51:17,336 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:51:17,336 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:51:17,355 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:51:17,356 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:51:17,356 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:51:17,356 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:51:17,356 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:51:17,356 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:51:17,357 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:51:17,357 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:51:17,357 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:51:17,357 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:51:17,357 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:51:17,357 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:51:17,357 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 05:51:17,357 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 05:51:17,357 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:51:17,357 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:51:17,357 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:51:17,358 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:51:17,358 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:51:17,358 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:51:17,358 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:51:17,358 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:51:17,358 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:51:17,358 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:51:17,358 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:51:17,358 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:51:17,358 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:51:17,358 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c41fed9-41ed-46c3-b018-16942e33f2b0/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d91b8356ddd7726281d647788be21c92f24a6245eaef0d9cae32a7294e1e923 [2024-12-06 05:51:17,588 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:51:17,596 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:51:17,598 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:51:17,599 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:51:17,599 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:51:17,600 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c41fed9-41ed-46c3-b018-16942e33f2b0/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_10_bad.i [2024-12-06 05:51:20,249 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c41fed9-41ed-46c3-b018-16942e33f2b0/bin/ukojak-verify-CZk0znPC7b/data/d5f0b6d13/0b81774245f74122a8570f87b4126af2/FLAG8dad0a56c [2024-12-06 05:51:20,511 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:51:20,511 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c41fed9-41ed-46c3-b018-16942e33f2b0/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_10_bad.i [2024-12-06 05:51:20,532 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c41fed9-41ed-46c3-b018-16942e33f2b0/bin/ukojak-verify-CZk0znPC7b/data/d5f0b6d13/0b81774245f74122a8570f87b4126af2/FLAG8dad0a56c [2024-12-06 05:51:20,546 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c41fed9-41ed-46c3-b018-16942e33f2b0/bin/ukojak-verify-CZk0znPC7b/data/d5f0b6d13/0b81774245f74122a8570f87b4126af2 [2024-12-06 05:51:20,548 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:51:20,549 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:51:20,551 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:51:20,551 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:51:20,555 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:51:20,556 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:51:20" (1/1) ... [2024-12-06 05:51:20,557 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d1df2db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:51:20, skipping insertion in model container [2024-12-06 05:51:20,557 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:51:20" (1/1) ... [2024-12-06 05:51:20,590 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:51:21,193 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:51:21,199 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:51:21,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:51:21,370 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:51:21,370 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:51:21 WrapperNode [2024-12-06 05:51:21,370 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:51:21,371 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:51:21,371 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:51:21,371 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:51:21,376 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:51:21" (1/1) ... [2024-12-06 05:51:21,393 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:51:21" (1/1) ... [2024-12-06 05:51:21,411 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 95 [2024-12-06 05:51:21,411 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:51:21,412 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:51:21,412 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:51:21,412 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:51:21,417 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:51:21" (1/1) ... [2024-12-06 05:51:21,417 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:51:21" (1/1) ... [2024-12-06 05:51:21,419 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:51:21" (1/1) ... [2024-12-06 05:51:21,419 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:51:21" (1/1) ... [2024-12-06 05:51:21,424 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:51:21" (1/1) ... [2024-12-06 05:51:21,424 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:51:21" (1/1) ... [2024-12-06 05:51:21,426 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:51:21" (1/1) ... [2024-12-06 05:51:21,428 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:51:21" (1/1) ... [2024-12-06 05:51:21,429 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:51:21" (1/1) ... [2024-12-06 05:51:21,431 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:51:21,432 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:51:21,432 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:51:21,432 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:51:21,433 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:51:21" (1/1) ... [2024-12-06 05:51:21,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:51:21,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c41fed9-41ed-46c3-b018-16942e33f2b0/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:51:21,461 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c41fed9-41ed-46c3-b018-16942e33f2b0/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:51:21,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c41fed9-41ed-46c3-b018-16942e33f2b0/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:51:21,485 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 05:51:21,485 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 05:51:21,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:51:21,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:51:21,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:51:21,597 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:51:21,598 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:51:21,765 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2024-12-06 05:51:21,765 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:51:21,944 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:51:21,944 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 05:51:21,945 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:51:21 BoogieIcfgContainer [2024-12-06 05:51:21,945 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:51:21,945 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:51:21,945 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:51:21,954 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:51:21,955 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:51:21" (1/1) ... [2024-12-06 05:51:21,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:51:21,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:51:22,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-12-06 05:51:22,007 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-12-06 05:51:22,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:51:22,011 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:51:22,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:51:22,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:51:22,243 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:51:22,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:51:22,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:51:22,369 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:51:22,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:51:22,405 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 05:51:22,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 05:51:22 ImpRootNode [2024-12-06 05:51:22,428 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 05:51:22,428 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 05:51:22,428 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 05:51:22,429 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 05:51:22,429 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:51:21" (3/4) ... [2024-12-06 05:51:22,431 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 05:51:22,432 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 05:51:22,433 INFO L158 Benchmark]: Toolchain (without parser) took 1883.82ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 54.3MB in the end (delta: 35.2MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. [2024-12-06 05:51:22,433 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 72.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:51:22,434 INFO L158 Benchmark]: CACSL2BoogieTranslator took 820.34ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 82.1MB in the end (delta: 7.4MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2024-12-06 05:51:22,434 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.01ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 79.1MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:51:22,435 INFO L158 Benchmark]: Boogie Preprocessor took 19.73ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 78.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:51:22,435 INFO L158 Benchmark]: RCFGBuilder took 512.62ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 37.3MB in the end (delta: 40.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-06 05:51:22,435 INFO L158 Benchmark]: CodeCheck took 482.38ms. Allocated memory is still 117.4MB. Free memory was 37.3MB in the beginning and 54.8MB in the end (delta: -17.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:51:22,436 INFO L158 Benchmark]: Witness Printer took 4.00ms. Allocated memory is still 117.4MB. Free memory was 54.8MB in the beginning and 54.3MB in the end (delta: 489.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:51:22,438 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_rand_multiply_10_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(globalTrue) [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] COND TRUE \read(globalTrue) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 72.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 820.34ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 82.1MB in the end (delta: 7.4MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.01ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 79.1MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.73ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 78.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 512.62ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 37.3MB in the end (delta: 40.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 482.38ms. Allocated memory is still 117.4MB. Free memory was 37.3MB in the beginning and 54.8MB in the end (delta: -17.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.00ms. Allocated memory is still 117.4MB. Free memory was 54.8MB in the beginning and 54.3MB in the end (delta: 489.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 05:51:22,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c41fed9-41ed-46c3-b018-16942e33f2b0/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c41fed9-41ed-46c3-b018-16942e33f2b0/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c41fed9-41ed-46c3-b018-16942e33f2b0/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c41fed9-41ed-46c3-b018-16942e33f2b0/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c41fed9-41ed-46c3-b018-16942e33f2b0/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_10_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c41fed9-41ed-46c3-b018-16942e33f2b0/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c41fed9-41ed-46c3-b018-16942e33f2b0/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6d91b8356ddd7726281d647788be21c92f24a6245eaef0d9cae32a7294e1e923 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:51:24,338 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:51:24,418 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c41fed9-41ed-46c3-b018-16942e33f2b0/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 05:51:24,446 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:51:24,446 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:51:24,447 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:51:24,447 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:51:24,447 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:51:24,447 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:51:24,447 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:51:24,447 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:51:24,447 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:51:24,448 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:51:24,448 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:51:24,448 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 05:51:24,448 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 05:51:24,448 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 05:51:24,448 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 05:51:24,448 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 05:51:24,448 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:51:24,448 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:51:24,448 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:51:24,449 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:51:24,449 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:51:24,449 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:51:24,449 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:51:24,449 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 05:51:24,449 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:51:24,449 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:51:24,449 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:51:24,449 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:51:24,449 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:51:24,449 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 05:51:24,450 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:51:24,450 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 05:51:24,450 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c41fed9-41ed-46c3-b018-16942e33f2b0/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d91b8356ddd7726281d647788be21c92f24a6245eaef0d9cae32a7294e1e923 [2024-12-06 05:51:24,680 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:51:24,688 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:51:24,690 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:51:24,691 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:51:24,692 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:51:24,693 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c41fed9-41ed-46c3-b018-16942e33f2b0/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_10_bad.i [2024-12-06 05:51:27,332 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c41fed9-41ed-46c3-b018-16942e33f2b0/bin/ukojak-verify-CZk0znPC7b/data/43bf94462/8a073e46638848a4bb44167f89ddc123/FLAG60b46be1c [2024-12-06 05:51:27,654 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:51:27,654 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c41fed9-41ed-46c3-b018-16942e33f2b0/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_10_bad.i [2024-12-06 05:51:27,674 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c41fed9-41ed-46c3-b018-16942e33f2b0/bin/ukojak-verify-CZk0znPC7b/data/43bf94462/8a073e46638848a4bb44167f89ddc123/FLAG60b46be1c [2024-12-06 05:51:27,895 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c41fed9-41ed-46c3-b018-16942e33f2b0/bin/ukojak-verify-CZk0znPC7b/data/43bf94462/8a073e46638848a4bb44167f89ddc123 [2024-12-06 05:51:27,897 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:51:27,898 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:51:27,899 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:51:27,899 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:51:27,902 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:51:27,902 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:51:27" (1/1) ... [2024-12-06 05:51:27,903 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78bbf9d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:51:27, skipping insertion in model container [2024-12-06 05:51:27,903 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:51:27" (1/1) ... [2024-12-06 05:51:27,935 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:51:28,499 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:51:28,509 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:51:28,602 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:51:28,710 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:51:28,710 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:51:28 WrapperNode [2024-12-06 05:51:28,710 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:51:28,711 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:51:28,711 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:51:28,711 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:51:28,717 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:51:28" (1/1) ... [2024-12-06 05:51:28,733 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:51:28" (1/1) ... [2024-12-06 05:51:28,748 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2024-12-06 05:51:28,748 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:51:28,749 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:51:28,749 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:51:28,749 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:51:28,755 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:51:28" (1/1) ... [2024-12-06 05:51:28,755 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:51:28" (1/1) ... [2024-12-06 05:51:28,758 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:51:28" (1/1) ... [2024-12-06 05:51:28,758 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:51:28" (1/1) ... [2024-12-06 05:51:28,765 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:51:28" (1/1) ... [2024-12-06 05:51:28,766 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:51:28" (1/1) ... [2024-12-06 05:51:28,767 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:51:28" (1/1) ... [2024-12-06 05:51:28,768 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:51:28" (1/1) ... [2024-12-06 05:51:28,769 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:51:28" (1/1) ... [2024-12-06 05:51:28,771 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:51:28,772 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:51:28,772 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:51:28,772 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:51:28,773 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:51:28" (1/1) ... [2024-12-06 05:51:28,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:51:28,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c41fed9-41ed-46c3-b018-16942e33f2b0/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:51:28,798 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c41fed9-41ed-46c3-b018-16942e33f2b0/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:51:28,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c41fed9-41ed-46c3-b018-16942e33f2b0/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:51:28,824 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 05:51:28,824 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 05:51:28,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:51:28,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:51:28,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:51:28,942 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:51:28,943 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:51:29,053 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-12-06 05:51:29,054 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:51:29,111 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:51:29,112 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 05:51:29,112 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:51:29 BoogieIcfgContainer [2024-12-06 05:51:29,112 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:51:29,113 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:51:29,113 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:51:29,122 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:51:29,123 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:51:29" (1/1) ... [2024-12-06 05:51:29,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:51:29,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:51:29,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-12-06 05:51:29,171 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-12-06 05:51:29,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:51:29,175 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:51:29,176 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:51:29,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c41fed9-41ed-46c3-b018-16942e33f2b0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:51:29,177 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c41fed9-41ed-46c3-b018-16942e33f2b0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:51:29,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c41fed9-41ed-46c3-b018-16942e33f2b0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 05:51:29,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:51:29,326 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:51:29,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:51:29,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:51:29,424 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:51:29,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:51:29,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c41fed9-41ed-46c3-b018-16942e33f2b0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 05:51:29,457 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 05:51:29,480 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 05:51:29 ImpRootNode [2024-12-06 05:51:29,480 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 05:51:29,481 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 05:51:29,481 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 05:51:29,481 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 05:51:29,482 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:51:29" (3/4) ... [2024-12-06 05:51:29,482 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 05:51:29,522 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 8. [2024-12-06 05:51:29,566 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c41fed9-41ed-46c3-b018-16942e33f2b0/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 05:51:29,566 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c41fed9-41ed-46c3-b018-16942e33f2b0/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 05:51:29,566 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 05:51:29,567 INFO L158 Benchmark]: Toolchain (without parser) took 1669.63ms. Allocated memory was 92.3MB in the beginning and 134.2MB in the end (delta: 41.9MB). Free memory was 66.0MB in the beginning and 93.3MB in the end (delta: -27.4MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2024-12-06 05:51:29,568 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 83.9MB. Free memory is still 48.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:51:29,568 INFO L158 Benchmark]: CACSL2BoogieTranslator took 812.07ms. Allocated memory is still 92.3MB. Free memory was 65.8MB in the beginning and 62.7MB in the end (delta: 3.1MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. [2024-12-06 05:51:29,568 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.02ms. Allocated memory is still 92.3MB. Free memory was 62.7MB in the beginning and 60.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:51:29,568 INFO L158 Benchmark]: Boogie Preprocessor took 22.76ms. Allocated memory is still 92.3MB. Free memory was 60.0MB in the beginning and 58.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:51:29,569 INFO L158 Benchmark]: RCFGBuilder took 340.36ms. Allocated memory is still 92.3MB. Free memory was 58.2MB in the beginning and 40.7MB in the end (delta: 17.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:51:29,569 INFO L158 Benchmark]: CodeCheck took 367.57ms. Allocated memory was 92.3MB in the beginning and 134.2MB in the end (delta: 41.9MB). Free memory was 40.7MB in the beginning and 98.6MB in the end (delta: -57.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:51:29,569 INFO L158 Benchmark]: Witness Printer took 85.59ms. Allocated memory is still 134.2MB. Free memory was 98.6MB in the beginning and 93.3MB in the end (delta: 5.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:51:29,571 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 1560]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_rand_multiply_10_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(globalTrue) [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] COND TRUE \read(globalTrue) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 83.9MB. Free memory is still 48.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 812.07ms. Allocated memory is still 92.3MB. Free memory was 65.8MB in the beginning and 62.7MB in the end (delta: 3.1MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.02ms. Allocated memory is still 92.3MB. Free memory was 62.7MB in the beginning and 60.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.76ms. Allocated memory is still 92.3MB. Free memory was 60.0MB in the beginning and 58.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 340.36ms. Allocated memory is still 92.3MB. Free memory was 58.2MB in the beginning and 40.7MB in the end (delta: 17.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 367.57ms. Allocated memory was 92.3MB in the beginning and 134.2MB in the end (delta: 41.9MB). Free memory was 40.7MB in the beginning and 98.6MB in the end (delta: -57.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 85.59ms. Allocated memory is still 134.2MB. Free memory was 98.6MB in the beginning and 93.3MB in the end (delta: 5.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 05:51:29,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c41fed9-41ed-46c3-b018-16942e33f2b0/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)